Lafferty (born February 28, 1949) is an American politician who represented District 42A in the Maryland House of Delegates.
Lafferty was the first Democrat to be elected in district 42 since it was moved to Baltimore County after the 21st century census and redistricting.
It was announced in August 2019 that he was resigning from the House of Delegates to serve as chief sustainability officer for Baltimore County Executive Johnny Olszewski.